public static Margins GetDpiAdjustedMargins(IntPtr windowHandle, int left, int right, int top, int bottom)
{
// Получить Dpi системы
System.Drawing.Graphics desktop = System.Drawing.Graphics.FromHwnd(windowHandle);
float DesktopDpiX = desktop.DpiX;
float DesktopDpiY = desktop.DpiY;
// Установка полей
AeroEffect.Win7.Margins margins = new AeroEffect.Win7.Margins();
margins.cxLeftWidth = Convert.ToInt32(left * (DesktopDpiX / 96));
margins.cxRightWidth = Convert.ToInt32(right * (DesktopDpiX / 96));
margins.cyTopHeight = Convert.ToInt32(top * (DesktopDpiX / 96));
margins.cyBottomHeight = Convert.ToInt32(right * (DesktopDpiX / 96));
return(margins);
}
public static void EnableBlur(Window win, int left, int right, int top, int bottom)
{
// Получение Win32-дескриптора для окна WPF
WindowInteropHelper windowInterop = new WindowInteropHelper(win);
IntPtr windowHandle = windowInterop.Handle;
HwndSource mainWindowSrc = HwndSource.FromHwnd(windowHandle);
mainWindowSrc.CompositionTarget.BackgroundColor = Colors.Transparent;
AeroEffect.Win7.Margins margins =
AeroEffect.Win7.GetDpiAdjustedMargins(windowHandle, left, right, top, bottom);
int returnVal = AeroEffect.Win7.DwmExtendFrameIntoClientArea(mainWindowSrc.Handle, ref margins);
if (returnVal < 0)
{
throw new NotSupportedException("Operation failed.");
}
}
public static void EnableBlur(Window win)
{
try {
// Obtain the window handle for WPF application
IntPtr mainWindowPtr = new WindowInteropHelper(win).Handle;
HwndSource mainWindowSrc = HwndSource.FromHwnd(mainWindowPtr);
mainWindowSrc.CompositionTarget.BackgroundColor = System.Windows.Media.Color.FromArgb(0, 0, 0, 0);
// Get System Dpi
System.Drawing.Graphics desktop = System.Drawing.Graphics.FromHwnd(mainWindowPtr);
float DesktopDpiX = desktop.DpiX;
float DesktopDpiY = desktop.DpiY;
// Set Margins
AeroEffect.Win7.Margins margins = new AeroEffect.Win7.Margins();
// Extend glass frame into client area
// Note that the default desktop Dpi is 96dpi. The margins are
// adjusted for the system Dpi.
margins.cxLeftWidth = -1; // Convert.ToInt32(5 * (DesktopDpiX / 96));
margins.cxRightWidth = -1; // Convert.ToInt32(5 * (DesktopDpiX / 96));
margins.cyTopHeight = -1; // Convert.ToInt32(5 * (DesktopDpiX / 96));
margins.cyBottomHeight = -1; //Convert.ToInt32(5 * (DesktopDpiX / 96));
int hr = AeroEffect.Win7.DwmExtendFrameIntoClientArea(mainWindowSrc.Handle, ref margins);
//
if (hr < 0)
{
//DwmExtendFrameIntoClientArea Failed
}
}
// If not Vista, paint background white.
catch (DllNotFoundException)
{
Application.Current.MainWindow.Background = System.Windows.Media.Brushes.White;
}
}